Home / 27,379,109,062.88-37,783,392,350.76-15,172,018,085.24

Finding the Fourth Proportional to 27,379,109,062.88, 37,783,392,350.76 and 15,172,018,085.24

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Solution

The fourth proportional to 27,379,109,062.88, 37,783,392,350.76 and 15,172,018,085.24 is: 20,937,507,891.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,379,109,062.88 : 37,783,392,350.76 = 15,172,018,085.24 : x
  2. Step 2: Convert to fraction form
    27,379,109,062.88/37,783,392,350.76 = 15,172,018,085.24/x
  3. Step 3: Cross multiply
    27,379,109,062.88x = 37,783,392,350.76 × 15,172,018,085.24
  4. Step 4: Simplify right side
    27,379,109,062.88x = 573,250,312,067,449,421,824
  5. Step 5: Solve for x
    x = 573,250,312,067,449,421,824/27,379,109,062.88
  6. Step 6: Final answer
    x = 20,937,507,891.54

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Double scale
Find fourth proportional to 27,379,109,063.88, 37,783,392,352.14 and 15,172,018,086.24
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.